2028756 has 12 divisors (see below), whose sum is σ = 4733792. Its totient is φ = 676248.

The previous prime is 2028749. The next prime is 2028757. The reversal of 2028756 is 6578202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84520 + ... + 84543.

2^2028756 is an apocalyptic number.

It is an amenable number.

2028756 is an abundant number, since it is smaller than the sum of its proper divisors (2705036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2028756 is a wasteful number, since it uses less digits than its factorization.

2028756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169070 (or 169068 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2028756 is about 1424.3440595586. The cubic root of 2028756 is about 126.5930720536.

The spelling of 2028756 in words is "two million, twenty-eight thousand, seven hundred fifty-six".